Improvement in parlor-skates



0. W. SALADEE.

PARLOR SKATES.

Patented Mayl6,1876.\

n O T N E v m 7N PETERS, PHOTO-LITHOGRAPHER. WASHINGTON, D C,

To allwho'n it mag ammy CYRUS wQsALhDnE, on WASHINGTON, DISTRICT OF COLUMBIA.

iMPhb'VEMENT IN PARLoR-sKATEs.

, Specification part of Letters Patent No;

177,568, dated May 1 6, 1876; application filed May 2, 1876,

Be itknown that 1, overs w. smitten,

of 'W'ashington city, in the-District of Columbia, have invented certain Improvements in ParlorSkates, of which the following is a specification: f

To enable others skilled in the art tomake and'u'se my invention, 1 herewith submit the following description:

I am aware that attaching rollers to the stock or foot-stand of a parlor-skate in such a manner that they will be turned, cramped, or adjusted so as to run the skate in a curved line to the right or left, by tipping or canting the stock or foot-stand upon a hinged intermediate mechanism interposed between,

the stock and the axles of the skate, is old and well known, and tha'tj is no part of my invention.

I seek in this invention to prevent the rock-.

ing or oscillating motion of the stock or footstand, and retainit in its horizontal position, in such manner that thegreater" pressure of the foot on one side or the other of the stock, together with the forward motion of the skate, will adjust'the rollers and direct the skate in a curved line to the right or left, as desired.

My invention consists in the employment,

in a parlor-skate, of two diagonal bars to connect the front and rear rollers, to compel a unity of action between their axles when the skate is describing a curve, causing them both to assume a position radial to the curve 5 also, in connecting the center bearing and pin of the rear axle to the. stock of the skate'in a perpendicular position, while the pivot of the front axle is secured to the stock in a slightlyinclined position, which will bring the axlebearings of the latter in the rear of the center bearing, while the rear and front axles are connected by the before-mentioned diagonal bars, whereby a unity of action between the rollers is secured when the skate is describing curves to the right orleft also,'in the employ-- ment of a stop,? connected to the undersideof the stock and provided with set-screws to regulate the degree of curvature the-skate is required to take. 7 1n the drawings, Figure l is a bottom-plan view of a skate according to'my invention. Fig. 2 is alongitudinal vertical section through center. -Fi g. 3 is a detached' iew of the front axle, showing the center-pin and the bearings for the front ends of the equalizingbars; and Fig. etis a detached view ofthe yoke,

in which is secured and operated the carrier-.

roller under the heel of thegstock, with its center-pin and bearings for the equalizing-bars.v

The stock I is made of wood or metal, in the usual way. To the front end is secured the socket R, which receives the center-pin B of the front axle. The connection is retained by means of the screw K working in the groove L in the center-pin.- This socket and centerpin are inclined in relation to the stock, as

shown by the dotted line M M, thus bringing the axles of the guide-rollers G and G slightly in the rear of the center bearing B, as indicated by the dotted line N N. The carrierroller G is secured to the rear end of the stock I by means of the socket S and center-pin B,

in a manner similar to the front socket and center-pin; but the center-pin B is on a line, 0 0, perpendicular to the stock. Combined with the socket and yoke of the carrier-roller is the stop S having set-screws S whereby the degree of curvature in' which the skate is to run is regulated. The yoke in the rear and the axle in front are provided with bearings O 0 having pins or screws 0 (3 on which are secured and operated the ends of the bars H and H, connecting the front and rear axles,'as shown. The stock I is provided with the usual fastenings to secure it to the boot of the skater.

1n the use of this skate the following conditions will be observed, wherein is found not only its novelty, but also its superior advantages over all others having in view the adjustment of the rollers to direct the course of the skate: The single carrierroller in the rear serves as a center on which to turn and direct the skate, while, at the same time, it sustains the burden imposed on that end. The guide-rollers having their bearings on the floor at an equal distance-to the right and left from the center bearing B, and being connected to I will impose a correspondingly greater weight upon the guide-roller on that side. The roller sustaining the greater pressure or weight will, by the forward motion of the skate, be retarded in its progress, the floor acting as a brake upon the burdened roller. If, for instance, the greater weight is thrown upon the roller G that roller will be retarded, and the axle will take the position indicated in the dotted line X X. At the same instant, through the medium of the diagonal bars H H, the axle of the carrier-roller G will take the position indicated by the dotted line Z Z, when it is obvious that the skate will be directed in a curve, the axles of the Wheels assuming a direction radial thereto.

To direct the skate in a straight line thepressure of the foot is maintained in the center of the stock. To direct it in a curve toward the right or the left the vpressure is, thrown on that side of the stock. In no case is there an unsteady or uncertain rocking or tipping motion, as is the casein all parlor-skates which are constructed to adjust clined center-pin B and the diagonally-arranged equalizing-bars H H, substantially as and for the purpose herein set forth.

3. In a parlor-skate, the stop S provided with set-screws S in themanner and for the purpose substantially as shown and described.

CYRUS W. SVALADE'E.

Witnesses STELLA J. CHAMBERS, ABBY G. SALADEE. 

